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 R7 240
CORE STATE
Oland
VRAM
2 GB
CLOCK SPEED
780 MHz
TDP
30 W
BUS WIDTH
128 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2013
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
HD 7950
R7 240
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
Base Clock
—
730 MHz
Boost Clock
—
780 MHz
GPU Clock
800 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
128 bit
Bandwidth
240.0 GB/s
28.80 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
768 KB
256 KB
Performance
Pixel Rate
25.60 GPixel/s
6.240 GPixel/s
Texture Rate
89.60 GTexel/s
15.60 GTexel/s
FP32 (TFLOPS)
2.867 TFLOPS
499.2 GFLOPS
FP64 (TFLOPS)
716.8 GFLOPS (1:4)
—
Power
TDP
200 W
30 W
TDP (W)
200
30
-85.0%
Suggested PSU
550 W
200 W
Power Connectors
2x 6-pin
None
Architecture
Architecture
GCN 1.0
GCN 1.0
GPU Name
Tahiti
Oland
Generation
Southern Islands
(HD 7900)
Volcanic Islands
(R7 200)
Process Size
28 nm
28 nm
Transistors
4,313 million
950 million
Die Size
352 mm²
77 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
Single-slot
Length
278 mm
10.9 inches
168 mm
6.6 inches
Height
111 mm
4.4 inches
69 mm
2.7 inches
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
1x DVI1x HDMI 1.4a1x VGA
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x8
Other
Launch Price
449 USD
69 USD
Production
End-of-life
End-of-life
Predecessor
Northern Islands
Sea Islands
Successor
Sea Islands
Pirate Islands