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GPU Comparison
NVIDIA GeForce 620M vs ATI Mobility Radeon HD 4870
NVIDIA GeForce 620M vs ATI Mobility Radeon HD 4870
VS
NVIDIA GeForce 620M
ATI Mobility Radeon HD 4870
We compared two Mobile platform GPUs: 1024MB VRAM GeForce 620M and 512MB VRAM Mobility Radeon HD 4870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce 620M 's Advantages
Released 3 years and 2 months late
More VRAM (1024GB vs 512GB)
ATI Mobility Radeon HD 4870 's Advantages
Larger VRAM bandwidth (56.83GB/s vs 14.40GB/s)
704 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce 620M
0.24 TFLOPS
Mobility Radeon HD 4870
+266%
0.88 TFLOPS
GeForce 620M
VS
Mobility Radeon HD 4870
Graphics Card
Mar 2012
Release Date
Jan 2009
GeForce 600M
Generation
M9x
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
900 MHz
Memory Clock
888 MHz
Memory
1024MB
Memory Size
512MB
DDR3
Memory Type
GDDR3
64bit
Memory Bus
256bit
14.40GB/s
Bandwidth
56.83GB/s
Render Config
2
SM Count
-
-
Compute Units
10
96
Shading Units
800
16
TMUs
40
8
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
64 KB (per SM)
L1 Cache
16 KB (per CU)
128 KB
L2 Cache
256 KB
Theoretical Performance
2.500 GPixel/s
Pixel Rate
8.800 GPixel/s
10.00 GTexel/s
Texture Rate
22.00 GTexel/s
-
FP16 (half)
-
240.0 GFLOPS
FP32 (float)
880.0 GFLOPS
20.00 GFLOPS
FP64 (double)
176.0 GFLOPS
Graphics Processor
GF117
GPU Name
M98
N13P-GLP
GPU Variant
M98 XT L2 (216-0732023)
Fermi 2.0
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
0.585 billion
Transistors
0.956 billion
116 mm²
Die Size
256 mm²
Board Design
15W
TDP
Unknown
-
Suggested PSU
-
No outputs
Outputs
Portable Device Dependent
-
Power Connectors
None
Graphics Features
12 (11_0)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
1.1
OpenCL
1.1
N/A
Vulkan
N/A
2.1
CUDA
-
5.1
Shader Model
4.1
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