GPU Comparison
RADEON
AMD Radeon HD 6950
CORE STATE
Cayman
VRAM
2 GB
CLOCK SPEED
—
TDP
200 W
BUS WIDTH
256 bit
ARCHITECTURE
TeraScale 3
PROCESS
40 nm
LAUNCH DATE
2010
VS
RADEON
Radeon PRO W6400
CORE STATE
Navi 24
VRAM
4 GB
CLOCK SPEED
2321 MHz
TDP
50 W
BUS WIDTH
64 bit
ARCHITECTURE
RDNA 2.0
PROCESS
6 nm
LAUNCH DATE
2022
PERFORMANCE BENCHMARKS
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
HD 6950
PRO W6400
Core Specs
Shading Units
1,408
768
-45.5%
Shaders
1,408
768
-45.5%
TMUs
88
48
-45.5%
ROPs
32
32
0.0%
Compute Units
22
12
-45.5%
Clocks
Base Clock
—
2039 MHz
Boost Clock
—
2321 MHz
GPU Clock
800 MHz
—
Memory Clock
1250 MHz
5 Gbps effective
2000 MHz
16 Gbps effective
Memory
Memory Size
2 GB
4 GB
VRAM (MB)
2,048
4,096
+100.0%
Memory Type
GDDR5
GDDR6
Memory Bus
256 bit
64 bit
Bandwidth
160.0 GB/s
128.0 GB/s
Cache
L1 Cache
8 KB (per CU)
128 KB per Array
L2 Cache
512 KB
1024 KB
L3 Cache
—
8 MB
L0 Cache
—
32 KB per WGP
Performance
Pixel Rate
25.60 GPixel/s
74.27 GPixel/s
Texture Rate
70.40 GTexel/s
111.4 GTexel/s
FP32 (TFLOPS)
2.253 TFLOPS
3.565 TFLOPS
FP64 (TFLOPS)
563.2 GFLOPS (1:4)
222.8 GFLOPS (1:16)
FP16 (TFLOPS)
—
7.130 TFLOPS (2:1)
AI/RT
RT Cores
—
12
Power
TDP
200 W
50 W
TDP (W)
200
50
-75.0%
Suggested PSU
550 W
250 W
Power Connectors
2x 6-pin
None
Architecture
Architecture
TeraScale 3
RDNA 2.0
GPU Name
Cayman
Navi 24
Generation
Northern Islands
(HD 6900)
Radeon Pro Navi
(Navi II Series)
Process Size
40 nm
6 nm
Transistors
2,640 million
5,400 million
Die Size
389 mm²
107 mm²
Foundry
TSMC
TSMC
Density
6.8M / mm²
50.5M / mm²
API Support
DirectX
11.2 (11_0)
12 Ultimate (12_2)
OpenGL
4.4
4.6
Vulkan
—
1.4
OpenCL
1.2
2.2
Shader Model
5.0
6.8
Physical
Slot Width
Dual-slot
Single-slot
Length
286 mm
11.3 inches
—
Height
126 mm
5 inches
—
Outputs
2x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
2x DisplayPort 1.4a
Bus Interface
PCIe 2.0 x16
PCIe 4.0 x4
Other
Launch Price
299 USD
—
Production
End-of-life
End-of-life
Predecessor
Evergreen
Radeon Pro Vega
Successor
Southern Islands
—