GPU Comparison
RADEON
AMD Radeon HD 7950
CORE STATE
Tahiti
VRAM
3 GB
CLOCK SPEED
—
TDP
200 W
BUS WIDTH
384 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2012
VS
GEFORCE
CMP 30HX
CORE STATE
TU116
VRAM
6 GB
CLOCK SPEED
1785 MHz
TDP
125 W
BUS WIDTH
192 bit
ARCHITECTURE
Turing
PROCESS
12 nm
LAUNCH DATE
2021
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 7950
CMP 30HX
Core Specs
Shading Units
1,792
1,408
-21.4%
Shaders
1,792
1,408
-21.4%
TMUs
112
88
-21.4%
ROPs
32
48
+50.0%
Compute Units
28
—
SM Count
—
22
Clocks
Base Clock
—
1530 MHz
Boost Clock
—
1785 MHz
GPU Clock
800 MHz
—
Memory Clock
1250 MHz
5 Gbps effective
1750 MHz
14 Gbps effective
Memory
Memory Size
3 GB
6 GB
VRAM (MB)
3,072
6,144
+100.0%
Memory Type
GDDR5
GDDR6
Memory Bus
384 bit
192 bit
Bandwidth
240.0 GB/s
336.0 GB/s
Cache
L1 Cache
16 KB (per CU)
64 KB (per SM)
L2 Cache
768 KB
1536 KB
Performance
Pixel Rate
25.60 GPixel/s
85.68 GPixel/s
Texture Rate
89.60 GTexel/s
157.1 GTexel/s
FP32 (TFLOPS)
2.867 TFLOPS
5.027 TFLOPS
FP64 (TFLOPS)
716.8 GFLOPS (1:4)
157.1 GFLOPS (1:32)
FP16 (TFLOPS)
—
10.05 TFLOPS (2:1)
Power
TDP
200 W
125 W
TDP (W)
200
125
-37.5%
Suggested PSU
550 W
300 W
Power Connectors
2x 6-pin
1x 8-pin
Architecture
Architecture
GCN 1.0
Turing
GPU Name
Tahiti
TU116
Generation
Southern Islands
(HD 7900)
Mining GPUs
Process Size
28 nm
12 nm
Transistors
4,313 million
6,600 million
Die Size
352 mm²
284 mm²
Foundry
TSMC
TSMC
Density
12.3M / mm²
23.2M / mm²
API Support
DirectX
12 (11_1)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.4
OpenCL
2.1 (1.2)
3.0
CUDA
—
7.5
Shader Model
6.5 (5.1)
6.8
Physical
Slot Width
Dual-slot
Dual-slot
Length
278 mm
10.9 inches
229 mm
9 inches
Height
111 mm
4.4 inches
111 mm
4.4 inches
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
No outputs
Bus Interface
PCIe 3.0 x16
PCIe 1.0 x4
Other
Launch Price
449 USD
799 USD
Production
End-of-life
End-of-life
Predecessor
Northern Islands
—
Successor
Sea Islands
—