AMD Radeon HD 6990 vs NVIDIA CMP 170HX
GPU Specs Compare
Graphics Card
Release Date
Mar 2011
Sep 2021
Generation
Northern Islands
Mining GPUs
Type
Desktop
Desktop
Bus Interface
PCIe 2.0 x16
PCIe 4.0 x4
Clock Speeds
Memory Clock
1250 MHz
1458 MHz
Base Clock
-
1140 MHz
Boost Clock
-
1410 MHz
Memory
Memory Size
2GB
16GB
Memory Type
GDDR5
HBM2e
Memory Bus
256bit
4096bit
Bandwidth
160.0GB/s
1493GB/s
Render Config
Compute Units
24
-
Shading Units
1536
4480
TMUs
96
280
ROPs
32
128
L1 Cache
8 KB (per CU)
192 KB (per SM)
L2 Cache
512 KB
8 MB
SM Count
-
70
Tensor Cores
-
280
Theoretical Performance
Pixel Rate
26.56 GPixel/s
180.5 GPixel/s
Texture Rate
79.68 GTexel/s
394.8 GTexel/s
FP32 (float)
2.550 TFLOPS
12.63 TFLOPS
FP64 (double)
637.4 GFLOPS
6.317 TFLOPS
FP16 (half)
-
50.53 TFLOPS
Graphics Processor
GPU Name
Antilles
GA100
GPU Variant
Antilles XT(215-0807027)
GA100-105F-A1
Architecture
TeraScale 3
Ampere
Foundry
TSMC
TSMC
Process Size
40 nm
7 nm
Transistors
2.64 billion
54.2 billion
Die Size
389 mm²
826 mm²
Board Design
TDP
375W
250W
Suggested PSU
750 W
600 W
Outputs
1x DVI4x mini-DisplayPort 1.2
No outputs
Power Connectors
2x 8-pin
2x 8-pin
Graphics Features
DirectX
11.2 (11_0)
N/A
OpenGL
4.4
N/A
OpenCL
1.2
3.0
Vulkan
N/A
N/A
Shader Model
5.0
N/A
CUDA
-
8.0