GPU Comparison
RADEON
AMD Radeon HD 6770
CORE STATE
Juniper
VRAM
1024 MB
CLOCK SPEED
—
TDP
108 W
BUS WIDTH
128 bit
ARCHITECTURE
TeraScale 2
PROCESS
40 nm
LAUNCH DATE
2011
VS
GEFORCE
P102-100
CORE STATE
GP102
VRAM
5 GB
CLOCK SPEED
1683 MHz
TDP
250 W
BUS WIDTH
320 bit
ARCHITECTURE
Pascal
PROCESS
16 nm
LAUNCH DATE
2018
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 6770
P102-100
Core Specs
Shading Units
800
3,200
+300.0%
Shaders
800
3,200
+300.0%
TMUs
40
200
+400.0%
ROPs
16
80
+400.0%
Compute Units
10
—
SM Count
—
25
Clocks
Base Clock
—
1582 MHz
Boost Clock
—
1683 MHz
GPU Clock
850 MHz
—
Memory Clock
1200 MHz
4.8 Gbps effective
1376 MHz
11 Gbps effective
Memory
Memory Size
1024 MB
5 GB
VRAM (MB)
1,024
5,120
+400.0%
Memory Type
GDDR5
GDDR5X
Memory Bus
128 bit
320 bit
Bandwidth
76.80 GB/s
440.3 GB/s
Cache
L1 Cache
8 KB (per CU)
48 KB (per SM)
L2 Cache
256 KB
2.5 MB
Performance
Pixel Rate
13.60 GPixel/s
134.6 GPixel/s
Texture Rate
34.00 GTexel/s
336.6 GTexel/s
FP32 (TFLOPS)
1,360.0 GFLOPS
10.77 TFLOPS
FP64 (TFLOPS)
—
336.6 GFLOPS (1:32)
FP16 (TFLOPS)
—
168.3 GFLOPS (1:64)
Power
TDP
108 W
250 W
TDP (W)
108
250
+131.5%
Suggested PSU
300 W
600 W
Power Connectors
1x 6-pin
2x 8-pin
Architecture
Architecture
TeraScale 2
Pascal
GPU Name
Juniper
GP102
Generation
Northern Islands
(HD 6700)
Mining GPUs
Process Size
40 nm
16 nm
Transistors
1,040 million
11,800 million
Die Size
166 mm²
471 mm²
Foundry
TSMC
TSMC
Density
6.3M / mm²
25.1M / mm²
API Support
DirectX
11.2 (11_0)
12 (12_1)
OpenGL
4.4
4.6
Vulkan
—
1.4
OpenCL
1.2
3.0
CUDA
—
6.1
Shader Model
5.0
6.8
Physical
Slot Width
Dual-slot
Dual-slot
Length
198 mm
7.8 inches
267 mm
10.5 inches
Outputs
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
No outputs
Bus Interface
PCIe 2.0 x16
PCIe 1.0 x4
Other
Launch Price
129 USD
—
Production
End-of-life
End-of-life
Predecessor
Evergreen
—
Successor
Southern Islands
—