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 W5500X
CORE STATE
Navi 14
VRAM
8 GB
CLOCK SPEED
1757 MHz
TDP
125 W
BUS WIDTH
128 bit
ARCHITECTURE
RDNA 1.0
PROCESS
7 nm
LAUNCH DATE
2019
PERFORMANCE BENCHMARKS
geekbench_metal
DETAILED SPECIFICATIONS
SPECIFICATION
HD 7950
Pro W5500X
Core Specs
Shading Units
1,792
1,536
-14.3%
Shaders
1,792
1,536
-14.3%
TMUs
112
96
-14.3%
ROPs
32
32
0.0%
Compute Units
28
24
-14.3%
Clocks
Base Clock
—
1187 MHz
Boost Clock
—
1757 MHz
GPU Clock
800 MHz
—
Memory Clock
1250 MHz
5 Gbps effective
1750 MHz
14 Gbps effective
Memory
Memory Size
3 GB
8 GB
VRAM (MB)
3,072
8,192
+166.7%
Memory Type
GDDR5
GDDR6
Memory Bus
384 bit
128 bit
Bandwidth
240.0 GB/s
224.0 GB/s
Cache
L1 Cache
16 KB (per CU)
—
L2 Cache
768 KB
2 MB
Performance
Pixel Rate
25.60 GPixel/s
56.22 GPixel/s
Texture Rate
89.60 GTexel/s
168.7 GTexel/s
FP32 (TFLOPS)
2.867 TFLOPS
5.398 TFLOPS
FP64 (TFLOPS)
716.8 GFLOPS (1:4)
337.3 GFLOPS (1:16)
FP16 (TFLOPS)
—
10.80 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
—
Architecture
Architecture
GCN 1.0
RDNA 1.0
GPU Name
Tahiti
Navi 14
Generation
Southern Islands
(HD 7900)
Radeon Pro Mac
(Navi Series)
Process Size
28 nm
7 nm
Transistors
4,313 million
6,400 million
Die Size
352 mm²
158 mm²
Foundry
TSMC
TSMC
Density
12.3M / mm²
40.5M / 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)
2.1
Shader Model
6.5 (5.1)
6.8
Physical
Slot Width
Dual-slot
Dual-slot
Length
278 mm
10.9 inches
—
Height
111 mm
4.4 inches
—
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
2x HDMI 2.0b
Bus Interface
PCIe 3.0 x16
Apple MPX
Other
Launch Price
449 USD
599 USD
Production
End-of-life
End-of-life
Predecessor
Northern Islands
—
Successor
Sea Islands
—