GPU Comparison
RADEON
AMD Radeon HD 7770M
CORE STATE
Chelsea
VRAM
1024 MB
CLOCK SPEED
—
TDP
32 W
BUS WIDTH
128 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2012
VS
GEFORCE
CMP 30HX
CORE STATE
TU116
VRAM
6 GB
CLOCK SPEED
1785 MHz
TDP
125 W
BUS WIDTH
192 bit
ARCHITECTURE
Turing
PROCESS
12 nm
LAUNCH DATE
2021
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 7770M
CMP 30HX
Core Specs
Shading Units
512
1,408
+175.0%
Shaders
512
1,408
+175.0%
TMUs
32
88
+175.0%
ROPs
16
48
+200.0%
Compute Units
8
—
SM Count
—
22
Clocks
Base Clock
—
1530 MHz
Boost Clock
—
1785 MHz
GPU Clock
675 MHz
—
Memory Clock
1000 MHz
4 Gbps effective
1750 MHz
14 Gbps effective
Memory
Memory Size
1024 MB
6 GB
VRAM (MB)
1,024
6,144
+500.0%
Memory Type
GDDR5
GDDR6
Memory Bus
128 bit
192 bit
Bandwidth
64.00 GB/s
336.0 GB/s
Cache
L1 Cache
16 KB (per CU)
64 KB (per SM)
L2 Cache
256 KB
1536 KB
Performance
Pixel Rate
10.80 GPixel/s
85.68 GPixel/s
Texture Rate
21.60 GTexel/s
157.1 GTexel/s
FP32 (TFLOPS)
691.2 GFLOPS
5.027 TFLOPS
FP64 (TFLOPS)
43.20 GFLOPS (1:16)
157.1 GFLOPS (1:32)
FP16 (TFLOPS)
—
10.05 TFLOPS (2:1)
Power
TDP
32 W
125 W
TDP (W)
32
125
+290.6%
Suggested PSU
—
300 W
Power Connectors
—
1x 8-pin
Architecture
Architecture
GCN 1.0
Turing
GPU Name
Chelsea
TU116
Generation
London
(HD 7700M)
Mining GPUs
Process Size
28 nm
12 nm
Transistors
1,500 million
6,600 million
Die Size
123 mm²
284 mm²
Foundry
TSMC
TSMC
Density
12.2M / mm²
23.2M / mm²
API Support
DirectX
12 (11_1)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.4
OpenCL
2.1 (1.2)
3.0
CUDA
—
7.5
Shader Model
6.5 (5.1)
6.8
Physical
Slot Width
—
Dual-slot
Length
—
229 mm
9 inches
Height
—
111 mm
4.4 inches
Outputs
Portable Device Dependent
No outputs
Bus Interface
PCIe 2.0 x16
PCIe 1.0 x4
Other
Launch Price
—
799 USD
Production
End-of-life
End-of-life
Predecessor
Vancouver
—
Successor
Solar System
—