Radeon HD 6990 vs Radeon PRO W7800 48 GB
We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6990 and 48GB VRAM Radeon PRO W7800 48 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon PRO W7800 48 GB 's Advantages
Released 12 years and 1 months late
Boost Clock2525MHz
More VRAM (48GB vs 2GB)
Larger VRAM bandwidth (864.0GB/s vs 160.0GB/s)
2944 additional rendering cores
Lower TDP (281W vs 375W)
Score
Benchmark
FP32 (float)
Radeon HD 6990
2550
Radeon PRO W7800 48 GB
+1674%
45250
Graphics Card
Mar 2011
Release Date
Apr 2023
Northern Islands
Generation
Radeon Pro Navi(Navi III Series)
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
-
Base Clock
1895 MHz
-
Boost Clock
2525 MHz
1250 MHz
Memory Clock
2250 MHz
Memory
2GB
Memory Size
48GB
GDDR5
Memory Type
GDDR6
256bit
Memory Bus
384bit
160.0GB/s
Bandwidth
864.0GB/s
Render Config
24
Compute Units
70
1536
Shading Units
4480
96
TMUs
280
32
ROPs
128
-
RT Cores
70
8 KB (per CU)
L1 Cache
256 KB per Array
512 KB
L2 Cache
6 MB
-
L3 Cache
96 MB
Theoretical Performance
26.56 GPixel/s
Pixel Rate
323.2 GPixel/s
79.68 GTexel/s
Texture Rate
707.0 GTexel/s
-
FP16 (half)
90.50 TFLOPS
2.550 TFLOPS
FP32 (float)
45.25 TFLOPS
637.4 GFLOPS
FP64 (double)
1414 GFLOPS
Board Design
375W
TDP
281W
750 W
Suggested PSU
600 W
1x DVI
4x mini-DisplayPort 1.2
Outputs
3x DisplayPort 2.1
1x mini-DisplayPort 2.1
2x 8-pin
Power Connectors
2x 8-pin
Graphics Processor
Antilles
GPU Name
Navi 31
Antilles XT
(215-0807027)
GPU Variant
Navi 31
TeraScale 3
Architecture
RDNA 3.0
TSMC
Foundry
TSMC
40 nm
Process Size
5 nm
2.64 billion
Transistors
57.7 billion
389 mm²
Die Size
529 mm²
Graphics Features
11.2 (11_0)
DirectX
12 Ultimate (12_2)
4.4
OpenGL
4.6
1.2
OpenCL
2.2
N/A
Vulkan
1.3
5.0
Shader Model
6.8
