Home GPU Comparison NVIDIA A40 PCIe vs ATI Radeon HD 4870 X2

NVIDIA A40 PCIe vs ATI Radeon HD 4870 X2

NVIDIA A40 PCIe
VS
ATI Radeon HD 4870 X2
NVIDIA A40 PCIe
ATI Radeon HD 4870 X2
We compared two Desktop platform GPUs: 48GB VRAM A40 PCIe and 1024MB VRAM Radeon HD 4870 X2 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 2 months late
Boost Clock1740MHz
More VRAM (48GB vs 1024GB)
Larger VRAM bandwidth (695.8GB/s vs 115.2GB/s)
9952 additional rendering cores
ATI Radeon HD 4870 X2 's Advantages
Lower TDP (286W vs 300W)

Score

Benchmark

FP32 (float)
A40 PCIe +3018%
37.42 TFLOPS
Radeon HD 4870 X2
1.2 TFLOPS
A40 PCIe
VS
Radeon HD 4870 X2

Graphics Card

Oct 2020
Release Date
Aug 2008
Tesla
Generation
Radeon R700
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
900 MHz

Memory

48GB
Memory Size
1024MB
GDDR6
Memory Type
GDDR5
384bit
Memory Bus
256bit
695.8GB/s
Bandwidth
115.2GB/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
12.00 GPixel/s
584.6 GTexel/s
Texture Rate
30.00 GTexel/s
37.42 TFLOPS
FP16 (half)
-
37.42 TFLOPS
FP32 (float)
1200 GFLOPS
584.6 GFLOPS
FP64 (double)
240.0 GFLOPS

Board Design

300W
TDP
286W
700 W
Suggested PSU
600 W
3x DisplayPort 1.4a
Outputs
2x DVI 1x S-Video
8-pin EPS
Power Connectors
1x 6-pin + 1x 8-pin

Graphics Processor

GA102
GPU Name
R700
-
GPU Variant
R700 XT (215-0669045)
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

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