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
GEFORCE
GRID K2
CORE STATE
GK104
VRAM
4 GB
CLOCK SPEED
—
TDP
225 W
BUS WIDTH
256 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2013
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_metal
DETAILED SPECIFICATIONS
SPECIFICATION
HD 7730M
GRID K2
Core Specs
Shading Units
512
1,536
+200.0%
Shaders
512
1,536
+200.0%
TMUs
32
128
+300.0%
ROPs
16
32
+100.0%
Compute Units
8
—
Clocks
Base Clock
575 MHz
—
Boost Clock
675 MHz
—
GPU Clock
—
745 MHz
Memory Clock
900 MHz
1800 Mbps effective
1250 MHz
5 Gbps effective
Memory
Memory Size
2 GB
4 GB
VRAM (MB)
2,048
4,096
+100.0%
Memory Type
DDR3
GDDR5
Memory Bus
128 bit
256 bit
Bandwidth
28.80 GB/s
160.0 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
256 KB
512 KB
Performance
Pixel Rate
10.80 GPixel/s
23.84 GPixel/s
Texture Rate
21.60 GTexel/s
95.36 GTexel/s
FP32 (TFLOPS)
691.2 GFLOPS
2.289 TFLOPS
FP64 (TFLOPS)
43.20 GFLOPS (1:16)
95.36 GFLOPS (1:24)
Power
TDP
25 W
225 W
TDP (W)
25
225
+800.0%
Suggested PSU
—
550 W
Power Connectors
—
1x 6-pin + 1x 8-pin
Architecture
Architecture
GCN 1.0
Kepler
GPU Name
Chelsea
GK104
Generation
London
(HD 7700M)
GRID
(K2)
Process Size
28 nm
28 nm
Transistors
1,500 million
3,540 million
Die Size
123 mm²
294 mm²
Foundry
TSMC
TSMC
Density
12.2M / mm²
12.0M / mm²
API Support
DirectX
12 (11_1)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.2.175
OpenCL
2.1 (1.2)
3.0
CUDA
—
3.0
Shader Model
6.5 (5.1)
6.5 (5.1)
Physical
Slot Width
—
Dual-slot
Length
—
267 mm
10.5 inches
Outputs
Portable Device Dependent
No outputs
Bus Interface
PCIe 2.0 x16
PCIe 3.0 x16
Other
Launch Price
—
5,199 USD
Production
End-of-life
End-of-life
Predecessor
Vancouver
—
Successor
Solar System
—