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 R5 M335
CORE STATE
Exo
VRAM
2 GB
CLOCK SPEED
—
TDP
—
BUS WIDTH
64 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2015
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 7950
R5 M335
Core Specs
Shading Units
1,792
320
-82.1%
Shaders
1,792
320
-82.1%
TMUs
112
20
-82.1%
ROPs
32
8
-75.0%
Compute Units
28
5
-82.1%
Clocks
GPU Clock
800 MHz
1030 MHz
Memory Clock
1250 MHz
5 Gbps effective
900 MHz
1800 Mbps effective
Memory
Memory Size
3 GB
2 GB
VRAM (MB)
3,072
2,048
-33.3%
Memory Type
GDDR5
DDR3
Memory Bus
384 bit
64 bit
Bandwidth
240.0 GB/s
14.40 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
768 KB
128 KB
Performance
Pixel Rate
25.60 GPixel/s
8.240 GPixel/s
Texture Rate
89.60 GTexel/s
20.60 GTexel/s
FP32 (TFLOPS)
2.867 TFLOPS
659.2 GFLOPS
FP64 (TFLOPS)
716.8 GFLOPS (1:4)
41.20 GFLOPS (1:16)
Power
TDP
200 W
—
TDP (W)
200
—
Suggested PSU
550 W
—
Power Connectors
2x 6-pin
None
Architecture
Architecture
GCN 1.0
GCN 1.0
GPU Name
Tahiti
Exo
Generation
Southern Islands
(HD 7900)
Gem System
(R5 M300)
Process Size
28 nm
28 nm
Transistors
4,313 million
690 million
Die Size
352 mm²
56 mm²
Foundry
TSMC
TSMC
Density
12.3M / mm²
12.3M / mm²
API Support
DirectX
12 (11_1)
12 (11_1)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.2.170
OpenCL
2.1 (1.2)
2.1 (1.2)
Shader Model
6.5 (5.1)
6.5 (5.1)
Physical
Slot Width
Dual-slot
—
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 x8
Other
Launch Price
449 USD
—
Production
End-of-life
End-of-life
Predecessor
Northern Islands
Solar System
Successor
Sea Islands
Polaris Mobile