Home GPU Comparison NVIDIA A40 PCIe vs AMD Radeon HD 6770 Green Edition

NVIDIA A40 PCIe vs AMD Radeon HD 6770 Green Edition

We compared two Desktop platform GPUs: 48GB VRAM A40 PCIe and 2GB VRAM Radeon HD 6770 Green Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA A40 PCIe 's Advantages
Released 7 years and 6 months late
Boost Clock1740MHz
More VRAM (48GB vs 2GB)
Larger VRAM bandwidth (695.8GB/s vs 21.34GB/s)
10032 additional rendering cores
AMD Radeon HD 6770 Green Edition 's Advantages
Lower TDP (86W vs 300W)

Score

Benchmark

FP32 (float)
A40 PCIe +3612%
37.42 TFLOPS
Radeon HD 6770 Green Edition
1.008 TFLOPS
VS

Graphics Card

Oct 2020
Release Date
Apr 2013
Tesla
Generation
Northern Islands
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
667 MHz

Memory

48GB
Memory Size
2GB
GDDR6
Memory Type
GDDR3
384bit
Memory Bus
128bit
695.8GB/s
Bandwidth
21.34GB/s

Render Config

-
Compute Units
9
84
SM Count
-
10752
Shading Units
720
336
TMUs
36
112
ROPs
16
336
Tensor Cores
-
84
RT Cores
-
128 KB (per SM)
L1 Cache
8 KB (per CU)
6 MB
L2 Cache
256 KB
-
-
-

Theoretical Performance

194.9 GPixel/s
Pixel Rate
11.20 GPixel/s
584.6 GTexel/s
Texture Rate
25.20 GTexel/s
37.42 TFLOPS
FP16 (half)
-
37.42 TFLOPS
FP32 (float)
1008 GFLOPS
584.6 GFLOPS
FP64 (double)
-

Board Design

300W
TDP
86W
700 W
Suggested PSU
250 W
3x DisplayPort 1.4a
Outputs
2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1
8-pin EPS
Power Connectors
-

Graphics Processor

GA102
GPU Name
Juniper
-
GPU Variant
Juniper LE (215-0754009)
Ampere
Architecture
TeraScale 2
Samsung
Foundry
TSMC
8 nm
Process Size
40 nm
28.3 billion
Transistors
1.04 billion
628 mm²
Die Size
166 mm²

Graphics Features

12 Ultimate (12_2)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
3.0
OpenCL
1.2
1.3
Vulkan
N/A
8.6
CUDA
-
6.6
Shader Model
5.0

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