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GPU Comparison
AMD Radeon HD 6990 vs AMD Radeon Pro V620
AMD Radeon HD 6990 vs AMD Radeon Pro V620
VS
AMD Radeon HD 6990
AMD Radeon Pro V620
We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6990 and 32GB VRAM Radeon Pro V620 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon Pro V620 's Advantages
Released 10 years and 8 months late
Boost Clock2200MHz
More VRAM (32GB vs 2GB)
Larger VRAM bandwidth (512.0GB/s vs 160.0GB/s)
3072 additional rendering cores
Lower TDP (300W vs 375W)
Score
Benchmark
FP32 (float)
Radeon HD 6990
2.55 TFLOPS
Radeon Pro V620
+695%
20.28 TFLOPS
Radeon HD 6990
VS
Radeon Pro V620
Graphics Card
Mar 2011
Release Date
Nov 2021
Northern Islands
Generation
Radeon Pro
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
-
Base Clock
1825 MHz
-
Boost Clock
2200 MHz
1250 MHz
Memory Clock
2000 MHz
Memory
2GB
Memory Size
32GB
GDDR5
Memory Type
GDDR6
256bit
Memory Bus
256bit
160.0GB/s
Bandwidth
512.0GB/s
Render Config
-
SM Count
-
24
Compute Units
72
1536
Shading Units
4608
96
TMUs
288
32
ROPs
128
-
Tensor Cores
-
-
RT Cores
72
8 KB (per CU)
L1 Cache
128 KB per Array
512 KB
L2 Cache
4 MB
Theoretical Performance
26.56 GPixel/s
Pixel Rate
281.6 GPixel/s
79.68 GTexel/s
Texture Rate
633.6 GTexel/s
-
FP16 (half)
40.55 TFLOPS
2.550 TFLOPS
FP32 (float)
20.28 TFLOPS
637.4 GFLOPS
FP64 (double)
1267 GFLOPS
Graphics Processor
Antilles
GPU Name
Navi 21
Antilles XT (215-0807027)
GPU Variant
Navi 21 XT (215-121000177)
TeraScale 3
Architecture
RDNA 2.0
TSMC
Foundry
TSMC
40 nm
Process Size
7 nm
2.64 billion
Transistors
26.8 billion
389 mm²
Die Size
520 mm²
Board Design
375W
TDP
300W
750 W
Suggested PSU
700 W
1x DVI 4x mini-DisplayPort 1.2
Outputs
No outputs
2x 8-pin
Power Connectors
2x 8-pin
Graphics Features
11.2 (11_0)
DirectX
12 Ultimate (12_2)
4.4
OpenGL
4.6
1.2
OpenCL
2.1
N/A
Vulkan
1.3
-
CUDA
-
5.0
Shader Model
6.5
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