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 Vega 16
CORE STATE
Vega 12
VRAM
4 GB
CLOCK SPEED
1190 MHz
TDP
75 W
BUS WIDTH
1024 bit
ARCHITECTURE
GCN 5.0
PROCESS
14 nm
LAUNCH DATE
2018
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 7950
Pro Vega 16
Core Specs
Shading Units
1,792
1,024
-42.9%
Shaders
1,792
1,024
-42.9%
TMUs
112
64
-42.9%
ROPs
32
32
0.0%
Compute Units
28
16
-42.9%
Clocks
Base Clock
—
815 MHz
Boost Clock
—
1190 MHz
GPU Clock
800 MHz
—
Memory Clock
1250 MHz
5 Gbps effective
1200 MHz
2.4 Gbps effective
Memory
Memory Size
3 GB
4 GB
VRAM (MB)
3,072
4,096
+33.3%
Memory Type
GDDR5
HBM2
Memory Bus
384 bit
1024 bit
Bandwidth
240.0 GB/s
307.2 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
768 KB
1024 KB
Performance
Pixel Rate
25.60 GPixel/s
38.08 GPixel/s
Texture Rate
89.60 GTexel/s
76.16 GTexel/s
FP32 (TFLOPS)
2.867 TFLOPS
2.437 TFLOPS
FP64 (TFLOPS)
716.8 GFLOPS (1:4)
152.3 GFLOPS (1:16)
FP16 (TFLOPS)
—
4.874 TFLOPS (2:1)
Power
TDP
200 W
75 W
TDP (W)
200
75
-62.5%
Suggested PSU
550 W
—
Power Connectors
2x 6-pin
—
Architecture
Architecture
GCN 1.0
GCN 5.0
GPU Name
Tahiti
Vega 12
Generation
Southern Islands
(HD 7900)
Radeon Pro Mac
(Vega Series)
Process Size
28 nm
14 nm
Transistors
4,313 million
—
Die Size
352 mm²
—
Foundry
TSMC
GlobalFoundries
Density
12.3M / 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)
6.0
Physical
Slot Width
Dual-slot
IGP
Length
278 mm
10.9 inches
—
Height
111 mm
4.4 inches
—
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Portable Device Dependent
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Other
Launch Price
449 USD
—
Production
End-of-life
End-of-life
Predecessor
Northern Islands
—
Successor
Sea Islands
—