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GPU Comparison
ATI Mobility Radeon HD 4670 vs NVIDIA GeForce GT 820M
ATI Mobility Radeon HD 4670 vs NVIDIA GeForce GT 820M
VS
ATI Mobility Radeon HD 4670
NVIDIA GeForce GT 820M
We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 4670 and 1024MB VRAM GeForce GT 820M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
ATI Mobility Radeon HD 4670 's Advantages
Larger VRAM bandwidth (25.60GB/s vs 14.40GB/s)
224 additional rendering cores
NVIDIA GeForce GT 820M 's Advantages
Released 4 years and 10 months late
More VRAM (1024GB vs 512GB)
Lower TDP (15W vs 35W)
Score
Benchmark
FP32 (float)
Mobility Radeon HD 4670
+44%
0.432 TFLOPS
GeForce GT 820M
0.298 TFLOPS
Mobility Radeon HD 4670
VS
GeForce GT 820M
Graphics Card
Jan 2009
Release Date
Nov 2013
M9x
Generation
GeForce 800M
Mobile
Type
Mobile
MXM-A (3.0)
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
800 MHz
Memory Clock
900 MHz
Memory
512MB
Memory Size
1024MB
GDDR3
Memory Type
DDR3
128bit
Memory Bus
64bit
25.60GB/s
Bandwidth
14.40GB/s
Render Config
-
SM Count
2
4
Compute Units
-
320
Shading Units
96
32
TMUs
16
8
ROPs
8
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
64 KB (per SM)
128 KB
L2 Cache
128 KB
Theoretical Performance
5.400 GPixel/s
Pixel Rate
3.100 GPixel/s
21.60 GTexel/s
Texture Rate
12.40 GTexel/s
-
FP16 (half)
-
432.0 GFLOPS
FP32 (float)
297.6 GFLOPS
-
FP64 (double)
24.80 GFLOPS
Graphics Processor
M96
GPU Name
GF117
M96 XT (216-0729051)
GPU Variant
N15V-GM
TeraScale
Architecture
Fermi 2.0
TSMC
Foundry
TSMC
55 nm
Process Size
28 nm
0.514 billion
Transistors
0.585 billion
146 mm²
Die Size
116 mm²
Board Design
35W
TDP
15W
-
Suggested PSU
-
No outputs
Outputs
No outputs
-
Power Connectors
-
Graphics Features
10.1 (10_1)
DirectX
12 (11_0)
3.3
OpenGL
4.6
1.1
OpenCL
1.1
N/A
Vulkan
N/A
-
CUDA
2.1
4.1
Shader Model
5.1
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