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 RX 6600 LE
CORE STATE
Navi 23
VRAM
8 GB
CLOCK SPEED
2495 MHz
TDP
132 W
BUS WIDTH
128 bit
ARCHITECTURE
RDNA 2.0
PROCESS
7 nm
LAUNCH DATE
2023
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 6950
RX 6600 LE
Core Specs
Shading Units
1,408
1,792
+27.3%
Shaders
1,408
1,792
+27.3%
TMUs
88
112
+27.3%
ROPs
32
64
+100.0%
Compute Units
22
28
+27.3%
Clocks
Base Clock
—
1626 MHz
Boost Clock
—
2495 MHz
GPU Clock
800 MHz
—
Game Clock
—
2045 MHz
Memory Clock
1250 MHz
5 Gbps effective
1750 MHz
14 Gbps effective
Memory
Memory Size
2 GB
8 GB
VRAM (MB)
2,048
8,192
+300.0%
Memory Type
GDDR5
GDDR6
Memory Bus
256 bit
128 bit
Bandwidth
160.0 GB/s
224.0 GB/s
Cache
L1 Cache
8 KB (per CU)
128 KB per Array
L2 Cache
512 KB
2 MB
L3 Cache
—
32 MB
L0 Cache
—
32 KB per WGP
Performance
Pixel Rate
25.60 GPixel/s
159.7 GPixel/s
Texture Rate
70.40 GTexel/s
279.4 GTexel/s
FP32 (TFLOPS)
2.253 TFLOPS
8.942 TFLOPS
FP64 (TFLOPS)
563.2 GFLOPS (1:4)
558.9 GFLOPS (1:16)
FP16 (TFLOPS)
—
17.88 TFLOPS (2:1)
AI/RT
RT Cores
—
28
Power
TDP
200 W
132 W
TDP (W)
200
132
-34.0%
Suggested PSU
550 W
300 W
Power Connectors
2x 6-pin
1x 8-pin
Architecture
Architecture
TeraScale 3
RDNA 2.0
GPU Name
Cayman
Navi 23
Generation
Northern Islands
(HD 6900)
Navi II
(RX 6000)
Process Size
40 nm
7 nm
Transistors
2,640 million
11,060 million
Die Size
389 mm²
237 mm²
Foundry
TSMC
TSMC
Density
6.8M / mm²
46.7M / mm²
API Support
DirectX
11.2 (11_0)
12 Ultimate (12_2)
OpenGL
4.4
4.6
Vulkan
—
1.4
OpenCL
1.2
2.1
Shader Model
5.0
6.8
Physical
Slot Width
Dual-slot
Dual-slot
Length
286 mm
11.3 inches
190 mm
7.5 inches
Height
126 mm
5 inches
110 mm
4.3 inches
Outputs
2x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
1x HDMI 2.13x DisplayPort 1.4a
Bus Interface
PCIe 2.0 x16
PCIe 4.0 x8
Other
Launch Price
299 USD
—
Production
End-of-life
Active
Predecessor
Evergreen
Navi
Successor
Southern Islands
Navi III