AMD Radeon HD 7950 Boost vs AMD Radeon R9 380X
GPU Specs Compare
Graphics Card
Release Date
Jun 2012
Nov 2015
Generation
Southern Islands
Pirate Islands
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
850 MHz
-
Boost Clock
925 MHz
-
Memory Clock
1250 MHz
1425 MHz
Memory
Memory Size
3GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
384bit
256bit
Bandwidth
240.0GB/s
182.4GB/s
Render Config
Compute Units
28
32
Shading Units
1792
2048
TMUs
112
128
ROPs
32
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
768 KB
512 KB
Theoretical Performance
Pixel Rate
29.60 GPixel/s
31.04 GPixel/s
Texture Rate
103.6 GTexel/s
124.2 GTexel/s
FP32 (float)
3.315 TFLOPS
3.973 TFLOPS
FP64 (double)
828.8 GFLOPS
248.3 GFLOPS
FP16 (half)
-
3.973 TFLOPS
Graphics Processor
GPU Name
Tahiti
Antigua
GPU Variant
Tahiti PRO2(215-0821282)
Antigua XT(215-0877016)
Architecture
GCN 1.0
GCN 3.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
4.313 billion
5 billion
Die Size
352 mm²
366 mm²
Board Design
TDP
200W
190W
Suggested PSU
550 W
450 W
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
2x 6-pin
2x 6-pin
Graphics Features
DirectX
12 (11_1)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
1.2
2.0
Vulkan
1.2
1.2
Shader Model
5.1
6.3
📊 Benchmark
3DMark Time Spy
-
3,011
3DMark Time Spy Extreme
-
1,294