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GPU Comparison
AMD Radeon HD 6990 vs AMD Radeon Pro VII
AMD Radeon HD 6990 vs AMD Radeon Pro VII
VS
AMD Radeon HD 6990
AMD Radeon Pro VII
We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6990 and 16GB VRAM Radeon Pro VII to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon Pro VII 's Advantages
Released 9 years and 2 months late
Boost Clock1700MHz
More VRAM (16GB vs 2GB)
Larger VRAM bandwidth (1020GB/s vs 160.0GB/s)
2304 additional rendering cores
Lower TDP (250W vs 375W)
Score
Benchmark
FP32 (float)
Radeon HD 6990
2.55 TFLOPS
Radeon Pro VII
+412%
13.06 TFLOPS
Radeon HD 6990
VS
Radeon Pro VII
Graphics Card
Mar 2011
Release Date
May 2020
Northern Islands
Generation
Radeon Pro Vega
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
-
Base Clock
1400 MHz
-
Boost Clock
1700 MHz
1250 MHz
Memory Clock
1000 MHz
Memory
2GB
Memory Size
16GB
GDDR5
Memory Type
HBM2
256bit
Memory Bus
4096bit
160.0GB/s
Bandwidth
1020GB/s
Render Config
-
SM Count
-
24
Compute Units
60
1536
Shading Units
3840
96
TMUs
240
32
ROPs
64
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
4 MB
Theoretical Performance
26.56 GPixel/s
Pixel Rate
108.8 GPixel/s
79.68 GTexel/s
Texture Rate
408.0 GTexel/s
-
FP16 (half)
26.11 TFLOPS
2.550 TFLOPS
FP32 (float)
13.06 TFLOPS
637.4 GFLOPS
FP64 (double)
6.528 TFLOPS
Graphics Processor
Antilles
GPU Name
Vega 20
Antilles XT (215-0807027)
GPU Variant
Vega 20 GLXT WS (215-0914026)
TeraScale 3
Architecture
GCN 5.1
TSMC
Foundry
TSMC
40 nm
Process Size
7 nm
2.64 billion
Transistors
13.23 billion
389 mm²
Die Size
331 mm²
Board Design
375W
TDP
250W
750 W
Suggested PSU
600 W
1x DVI 4x mini-DisplayPort 1.2
Outputs
6x mini-DisplayPort 1.4a
2x 8-pin
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Features
11.2 (11_0)
DirectX
12 (12_1)
4.4
OpenGL
4.6
1.2
OpenCL
2.1
N/A
Vulkan
1.3
-
CUDA
-
5.0
Shader Model
6.7
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8
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9
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