NVIDIA A40 PCIe vs AMD FireStream 9250
We compared two Desktop platform GPUs: 48GB VRAM A40 PCIe and 1024MB VRAM FireStream 9250 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 4 months late
Boost Clock1740MHz
More VRAM (48GB vs 1024GB)
Larger VRAM bandwidth (695.8GB/s vs 63.55GB/s)
9952 additional rendering cores
AMD FireStream 9250 's Advantages
Lower TDP (150W vs 300W)
Score
Benchmark
FP32 (float)
A40 PCIe
+3642%
37.42 TFLOPS
FireStream 9250
1 TFLOPS
Graphics Card
Oct 2020
Release Date
Jun 2008
Tesla
Generation
FireStream
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
993 MHz
Memory
48GB
Memory Size
1024MB
GDDR6
Memory Type
GDDR3
384bit
Memory Bus
256bit
695.8GB/s
Bandwidth
63.55GB/s
Render Config
-
Compute Units
10
84
SM Count
-
10752
Shading Units
800
336
TMUs
40
112
ROPs
16
336
Tensor Cores
-
84
RT Cores
-
128 KB (per SM)
L1 Cache
16 KB (per CU)
6 MB
L2 Cache
256 KB
-
-
-
Theoretical Performance
194.9 GPixel/s
Pixel Rate
10.00 GPixel/s
584.6 GTexel/s
Texture Rate
25.00 GTexel/s
37.42 TFLOPS
FP16 (half)
-
37.42 TFLOPS
FP32 (float)
1000 GFLOPS
584.6 GFLOPS
FP64 (double)
200.0 GFLOPS
Board Design
300W
TDP
150W
700 W
Suggested PSU
450 W
3x DisplayPort 1.4a
Outputs
1x DVI
8-pin EPS
Power Connectors
1x 6-pin
Graphics Processor
GA102
GPU Name
RV770
-
GPU Variant
RV770 PRO
Ampere
Architecture
TeraScale
Samsung
Foundry
TSMC
8 nm
Process Size
55 nm
28.3 billion
Transistors
0.956 billion
628 mm²
Die Size
256 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
3.0
OpenCL
1.1
1.3
Vulkan
N/A
8.6
CUDA
-
6.6
Shader Model
4.1
