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
RADEON
Radeon Pro VII
CORE STATE
Vega 20
VRAM
16 GB
CLOCK SPEED
1700 MHz
TDP
250 W
BUS WIDTH
4096 bit
ARCHITECTURE
GCN 5.1
PROCESS
7 nm
LAUNCH DATE
2020
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 7950
Pro VII
Core Specs
Shading Units
1,792
3,840
+114.3%
Shaders
1,792
3,840
+114.3%
TMUs
112
240
+114.3%
ROPs
32
64
+100.0%
Compute Units
28
60
+114.3%
Clocks
Base Clock
—
1400 MHz
Boost Clock
—
1700 MHz
GPU Clock
800 MHz
—
Memory Clock
1250 MHz
5 Gbps effective
1000 MHz
2 Gbps effective
Memory
Memory Size
3 GB
16 GB
VRAM (MB)
3,072
16,384
+433.3%
Memory Type
GDDR5
HBM2
Memory Bus
384 bit
4096 bit
Bandwidth
240.0 GB/s
1.02 TB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
768 KB
4 MB
Performance
Pixel Rate
25.60 GPixel/s
108.8 GPixel/s
Texture Rate
89.60 GTexel/s
408.0 GTexel/s
FP32 (TFLOPS)
2.867 TFLOPS
13.06 TFLOPS
FP64 (TFLOPS)
716.8 GFLOPS (1:4)
6.528 TFLOPS (1:2)
FP16 (TFLOPS)
—
26.11 TFLOPS (2:1)
Power
TDP
200 W
250 W
TDP (W)
200
250
+25.0%
Suggested PSU
550 W
600 W
Power Connectors
2x 6-pin
1x 6-pin + 1x 8-pin
Architecture
Architecture
GCN 1.0
GCN 5.1
GPU Name
Tahiti
Vega 20
Generation
Southern Islands
(HD 7900)
Radeon Pro Vega
(Vega II Series)
Process Size
28 nm
7 nm
Transistors
4,313 million
13,230 million
Die Size
352 mm²
331 mm²
Foundry
TSMC
TSMC
Density
12.3M / mm²
40.0M / mm²
API Support
DirectX
12 (11_1)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.3
OpenCL
2.1 (1.2)
2.1
Shader Model
6.5 (5.1)
6.7
Physical
Slot Width
Dual-slot
Dual-slot
Length
278 mm
10.9 inches
305 mm
12 inches
Height
111 mm
4.4 inches
111 mm
4.4 inches
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
6x mini-DisplayPort 1.4a
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Other
Launch Price
449 USD
1,899 USD
Production
End-of-life
End-of-life
Predecessor
Northern Islands
Radeon Pro Polaris
Successor
Sea Islands
Radeon Pro Navi