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GPU Comparison
NVIDIA A40 PCIe vs ATI Radeon HD 3850
NVIDIA A40 PCIe vs ATI Radeon HD 3850
VS
NVIDIA A40 PCIe
ATI Radeon HD 3850
We compared two Desktop platform GPUs: 48GB VRAM A40 PCIe and 512MB VRAM Radeon HD 3850 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA A40 PCIe 's Advantages
Released 12 years and 11 months late
Boost Clock1740MHz
Larger VRAM bandwidth (695.8GB/s vs 53.12GB/s)
10432 additional rendering cores
ATI Radeon HD 3850 's Advantages
Lower TDP (75W vs 300W)
Score
Benchmark
FP32 (float)
A40 PCIe
+8642%
37.42 TFLOPS
Radeon HD 3850
0.428 TFLOPS
A40 PCIe
VS
Radeon HD 3850
Graphics Card
Oct 2020
Release Date
Nov 2007
Tesla
Generation
Radeon R600
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1305 MHz
Base Clock
-
1740 MHz
Boost Clock
-
1812 MHz
Memory Clock
830 MHz
Memory
48GB
Memory Size
512MB
GDDR6
Memory Type
GDDR3
384bit
Memory Bus
256bit
695.8GB/s
Bandwidth
53.12GB/s
Render Config
84
SM Count
-
-
Compute Units
4
10752
Shading Units
320
336
TMUs
16
112
ROPs
16
336
Tensor Cores
-
84
RT Cores
-
128 KB (per SM)
L1 Cache
-
6 MB
L2 Cache
256 KB
Theoretical Performance
194.9 GPixel/s
Pixel Rate
10.69 GPixel/s
584.6 GTexel/s
Texture Rate
10.69 GTexel/s
37.42 TFLOPS
FP16 (half)
-
37.42 TFLOPS
FP32 (float)
427.5 GFLOPS
584.6 GFLOPS
FP64 (double)
85.50 GFLOPS
Graphics Processor
GA102
GPU Name
RV670
-
GPU Variant
RV670 PRO (215-0708003)
Ampere
Architecture
TeraScale
Samsung
Foundry
TSMC
8 nm
Process Size
55 nm
28.3 billion
Transistors
0.666 billion
628 mm²
Die Size
192 mm²
Board Design
300W
TDP
75W
700 W
Suggested PSU
250 W
3x DisplayPort 1.4a
Outputs
2x DVI 1x S-Video
8-pin EPS
Power Connectors
1x 6-pin
Graphics Features
12 Ultimate (12_2)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3 (full) 4.0 (partial)
3.0
OpenCL
N/A
1.3
Vulkan
N/A
8.6
CUDA
-
6.6
Shader Model
4.1
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