GPU Comparison
RADEON
AMD Radeon HD 7730M
CORE STATE
Chelsea
VRAM
2 GB
CLOCK SPEED
675 MHz
TDP
25 W
BUS WIDTH
128 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2012
VS
RADEON
Radeon R6 M255DX
CORE STATE
Jet
VRAM
System Shared
CLOCK SPEED
855 MHz
TDP
—
BUS WIDTH
System Shared
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2014
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 7730M
R6 M255DX
Core Specs
Shading Units
512
320
-37.5%
Shaders
512
320
-37.5%
TMUs
32
20
-37.5%
ROPs
16
8
-50.0%
Compute Units
8
5
-37.5%
Clocks
Base Clock
575 MHz
780 MHz
Boost Clock
675 MHz
855 MHz
Memory Clock
900 MHz
1800 Mbps effective
System Shared
Memory
Memory Size
2 GB
System Shared
VRAM (MB)
2,048
—
Memory Type
DDR3
System Shared
Memory Bus
128 bit
System Shared
Bandwidth
28.80 GB/s
System Dependent
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
256 KB
128 KB
Performance
Pixel Rate
10.80 GPixel/s
6.840 GPixel/s
Texture Rate
21.60 GTexel/s
17.10 GTexel/s
FP32 (TFLOPS)
691.2 GFLOPS
547.2 GFLOPS
FP64 (TFLOPS)
43.20 GFLOPS (1:16)
34.20 GFLOPS (1:16)
Power
TDP
25 W
—
TDP (W)
25
—
Architecture
Architecture
GCN 1.0
GCN 1.0
GPU Name
Chelsea
Jet
Generation
London
(HD 7700M)
Gem System Hybrid
(Rx M200)
Process Size
28 nm
28 nm
Transistors
1,500 million
690 million
Die Size
123 mm²
56 mm²
Foundry
TSMC
TSMC
Density
12.2M / 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
—
IGP
Outputs
Portable Device Dependent
Portable Device Dependent
Bus Interface
PCIe 2.0 x16
IGP
Other
Production
End-of-life
End-of-life
Predecessor
Vancouver
—
Successor
Solar System
—