GeForce GT 820M
VS
Radeon R5 M255

GeForce GT 820M vs Radeon R5 M255

NVIDIA

GeForce GT 820M

2014Core: 1038 MHzBoost: 1127 MHz
VS
AMD

Radeon R5 M255

2014Core: 900 MHzBoost: 925 MHz

Performance Spectrum - GPU

About G3D Mark

G3D Mark is a standard benchmark that measures graphics performance in real-world gaming scenarios. It simplifies comparing cards from different brands, where higher scores directly correlate with better fps and smoother gaming experiences.

Value Upgrade Path

This is the official ChipVERSUS Value Rating, comparing raw performance (G3D Mark) per dollar. Components placed above yours deliver better value for money. The GeForce GT 820M is positioned at rank 134 and the Radeon R5 M255 is on rank 553, so the GeForce GT 820M offers better cost-efficiency for playing games.

MSRP is the manufacturer's suggested retail price.
Avg price is the current average price collected from markets across the web.

Performance Per Dollar GeForce GT 820M

#39
Radeon RX 7700S
MSRP: $449|Avg: $350
96%
#124
Radeon RX 550X (móvel)
MSRP: $35|Avg: $35
300%
#126
272%
#127
272%
#131
GeForce GTX 1050 (Mobile)
MSRP: N/A|Avg: $50
247%
#132
Radeon RX 6300
MSRP: $60|Avg: $40
245%
#134
GeForce GT 820M
MSRP: N/A|Avg: N/A
100%
#139
Iris Xe MAX Graphics
MSRP: $55|Avg: $40
99%
#145
Radeon RX 580 (móvel)
MSRP: $229|Avg: $65
97%
#147
GeForce GT 630M
MSRP: N/A|Avg: $35
96%
Based on actual market prices and performance benchmarks.

Performance Per Dollar Radeon R5 M255

#543
Radeon RX 550X (móvel)
MSRP: $35|Avg: $35
2999%
#545
2719%
#546
2712%
#550
GeForce GTX 1050 (Mobile)
MSRP: N/A|Avg: $50
2466%
#551
Radeon RX 6300
MSRP: $60|Avg: $40
2449%
#553
Radeon R5 M255
MSRP: $150|Avg: $30
100%
#554
Mobility Radeon HD 565v
MSRP: $99|Avg: $20
99%
#555
Mobility Radeon HD 530v
MSRP: $49|Avg: $15
99%
#556
98%
#558
96%
#559
Radeon HD 8690A
MSRP: $150|Avg: $150
95%
#560
94%
#561
93%
#562
GeForce 9200
MSRP: $50|Avg: $15
93%
#563
93%
#564
Radeon R7 M265DX
MSRP: $149|Avg: $40
93%
#565
Radeon R9 M375
MSRP: $300|Avg: $300
92%
#567
91%
#568
91%
Based on actual market prices and performance benchmarks.

Performance Comparison

About G3D Mark

🏆 Chipversus Verdict

🚀 Performance Leadership

The Radeon R5 M255 is the superior choice for raw performance. It leads with a 0.2% higher G3D Mark score and 700% more VRAM (4 GB vs 512 MB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the GeForce GT 820M.

InsightGeForce GT 820MRadeon R5 M255
Performance
Lower raw frame rates (-0.2%)
Leading raw performance (+0.2%)
Longevity
🛑Obsolete Architecture (2014 / Maxwell 2.0 (2014−2019))
🛑Obsolete Architecture (2014 / GCN 1.0 (2012−2020))
Ecosystem
Supports FSR Upscaling
Supports FSR Upscaling
VRAM
❌ Less VRAM capacity
✅ More VRAM (+700%)
Efficiency
⚡ Higher Power Consumption
💡 Excellent Perf/Watt
Case Fit

💎 Value Proposition

While current pricing data is unavailable, the Radeon R5 M255 remains the clear technical winner. Check real-time availability to determine if the performance gap justifies the market price.

Performance Check

Real-world benchmarks and performance projections based on comprehensive hardware analysis and comparative metrics. Values represent expected performance on High/Ultra settings at 1080p, 1440p, and 4K. Modeled using a Ryzen 7 7800X3D reference profile to minimize specific CPU bottlenecks.

Note: Performance behavior can vary per game. Specific architectures may perform better or worse depending on game engine optimizations and API implementation.

Technical Specifications

Side-by-side comparison of GeForce GT 820M and Radeon R5 M255

NVIDIA

GeForce GT 820M

The GeForce GT 820M is manufactured by NVIDIA. It was released in October 7 2014. It features the Maxwell 2.0 architecture. The core clock ranges from 1038 MHz to 1127 MHz. It has 1536 shading units. The thermal design power (TDP) is 100W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 542 points.

AMD

Radeon R5 M255

The Radeon R5 M255 is manufactured by AMD. It was released in January 28 2014. It features the GCN 1.0 architecture. The core clock ranges from 900 MHz to 925 MHz. It has 640 shading units. The thermal design power (TDP) is 75W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 543 points. Launch price was $799.99.

Graphics Performance

The GeForce GT 820M scores 542 and the Radeon R5 M255 reaches 543 in the G3D Mark benchmark — just a 0.2% difference, making them near-identical in rasterization performance. The GeForce GT 820M is built on Maxwell 2.0 while the Radeon R5 M255 uses GCN 1.0, both on a 28 nm process. Shader units: 1,536 (GeForce GT 820M) vs 640 (Radeon R5 M255). Raw compute: 1.659 TFLOPS (GeForce GT 820M) vs 1.184 TFLOPS (Radeon R5 M255). Boost clocks: 1127 MHz vs 925 MHz.

FeatureGeForce GT 820MRadeon R5 M255
G3D Mark Score
542
543
Architecture
Maxwell 2.0
GCN 1.0
Process Node
28 nm
28 nm
Shading Units
1536+140%
640
Compute (TFLOPS)
1.659 TFLOPS+40%
1.184 TFLOPS
Boost Clock
1127 MHz+22%
925 MHz
ROPs
64+300%
16
TMUs
96+140%
40
L1 Cache
576 KB+260%
160 KB
L2 Cache
2 MB+700%
0.25 MB

Advanced Features (DLSS/FSR)

FeatureGeForce GT 820MRadeon R5 M255
Upscaling Tech
FSR 1.0 (Software)
FSR 1.0 (Software)
Frame Generation
Not Supported
Not Supported
Ray Reconstruction
No
No
Low Latency
Standard
AMD Anti-Lag
💾

Video Memory (VRAM)

The GeForce GT 820M comes with 512 MB of VRAM, while the Radeon R5 M255 has 4 GB. The Radeon R5 M255 offers 700% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 64-bit vs 128-bit. L2 Cache: 2 MB (GeForce GT 820M) vs 0.25 MB (Radeon R5 M255) — the GeForce GT 820M has significantly larger on-die cache to reduce VRAM reliance.

FeatureGeForce GT 820MRadeon R5 M255
VRAM Capacity
0.5 GB
4 GB+700%
Memory Type
GDDR5
GDDR5
Memory Bandwidth
Unknown
Unknown
Bus Width
64-bit
128-bit+100%
L2 Cache
2 MB+700%
0.25 MB
🖥️

Display & API Support

DirectX support: 11.0 (GeForce GT 820M) vs 12 (Radeon R5 M255). Vulkan: None vs 1.2. OpenGL: 4.0 vs 4.3. Maximum simultaneous displays: 1 vs 2.

FeatureGeForce GT 820MRadeon R5 M255
DirectX
11.0
12+9%
Vulkan
None
1.2
OpenGL
4.0
4.3+7%
Max Displays
1
2+100%
🎬

Media & Encoding

Hardware encoder: No (GeForce GT 820M) vs VCE 3.0 (Radeon R5 M255). Decoder: PureVideo HD VP4 vs UVD 4.2. Supported codecs: MPEG-2,H.264,VC-1,MPEG-4 ASP (GeForce GT 820M) vs H.264,MPEG-4,MPEG-2,VC-1 (Radeon R5 M255).

FeatureGeForce GT 820MRadeon R5 M255
Encoder
No
VCE 3.0
Decoder
PureVideo HD VP4
UVD 4.2
Codecs
MPEG-2,H.264,VC-1,MPEG-4 ASP
H.264,MPEG-4,MPEG-2,VC-1
🔌

Power & Dimensions

The GeForce GT 820M draws 100W versus the Radeon R5 M255's 75W — a 28.6% difference. The Radeon R5 M255 is more power-efficient. Recommended PSU: 350W (GeForce GT 820M) vs 350W (Radeon R5 M255). Power connectors: PCIe-powered vs Mobile. Typical load temperature: 70°C vs 80°C.

FeatureGeForce GT 820MRadeon R5 M255
TDP
100W
75W-25%
Recommended PSU
350W
350W
Power Connector
PCIe-powered
Mobile
Length
0mm
Height
0mm
Slots
0
0
Temp (Load)
70°C-13%
80°C
Perf/Watt
5.4
7.2+33%