AMD Radeon HD 6990 vs AMD Radeon Pro W6600M
GPU · Specs Compare
Graphics Card
Release Date
Mar 2011
Jun 2021
Generation
Northern Islands
Radeon Pro Mobile
Type
Desktop
Mobile
Bus Interface
PCIe 2.0 x16
PCIe 4.0 x16
Clock Speeds
Memory Clock
1250 MHz
1750 MHz
Base Clock
—
1224 MHz
Boost Clock
—
2034 MHz
Memory
Memory Size
2GB
8GB
Memory Type
GDDR5
GDDR6
Memory Bus
256bit
128bit
Bandwidth
160.0GB/s
224.0GB/s
Render Config
Compute Units
24
28
Shading Units
1536
1792
TMUs
96
112
ROPs
32
64
L1 Cache
8 KB (per CU)
128 KB per Array
L2 Cache
512 KB
2 MB
SM Count
—
66
Tensor Cores
—
264
RT Cores
—
28
L3 Cache
—
32 MB
Theoretical Performance
Pixel Rate
26.56 GPixel/s
130.2 GPixel/s
Texture Rate
79.68 GTexel/s
227.8 GTexel/s
FP32 (float)
2.550 TFLOPS
7.290 TFLOPS
FP64 (double)
637.4 GFLOPS
455.6 GFLOPS
FP16 (half)
—
14.58 TFLOPS
Graphics Processor
GPU Name
Antilles
Navi 23
GPU Variant
Antilles XT(215-0807027)
Navi 23 WKS-XM
Architecture
TeraScale 3
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
40 nm
7 nm
Transistors
2.64 billion
11.06 billion
Die Size
389 mm²
237 mm²
Board Design
TDP
375W
90W
Suggested PSU
750 W
600 W
Outputs
1x DVI4x mini-DisplayPort 1.2
Portable Device Dependent
Power Connectors
2x 8-pin
None
Graphics Features
DirectX
11.2 (11_0)
12 Ultimate (12_2)
OpenGL
4.4
4.6
OpenCL
1.2
2.1
Vulkan
N/A
1.3
Shader Model
5.0
6.7
CUDA
—
8.9
▲ Specs Compare
Data sourced from official specifications and benchmark tests.