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
RADEON
Radeon Pro Duo
CORE STATE
Capsaicin
VRAM
4 GB
CLOCK SPEED
—
TDP
350 W
BUS WIDTH
4096 bit
ARCHITECTURE
GCN 3.0
PROCESS
28 nm
LAUNCH DATE
2016
PERFORMANCE BENCHMARKS
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
HD 6770
Pro Duo
Core Specs
Shading Units
800
4,096
+412.0%
Shaders
800
4,096
+412.0%
TMUs
40
256
+540.0%
ROPs
16
64
+300.0%
Compute Units
10
64
+540.0%
Clocks
GPU Clock
850 MHz
1000 MHz
Memory Clock
1200 MHz
4.8 Gbps effective
500 MHz
1000 Mbps effective
Memory
Memory Size
1024 MB
4 GB
VRAM (MB)
1,024
4,096
+300.0%
Memory Type
GDDR5
HBM
Memory Bus
128 bit
4096 bit
Bandwidth
76.80 GB/s
512.0 GB/s
Cache
L1 Cache
8 KB (per CU)
16 KB (per CU)
L2 Cache
256 KB
2 MB
Performance
Pixel Rate
13.60 GPixel/s
64.00 GPixel/s
Texture Rate
34.00 GTexel/s
256.0 GTexel/s
FP32 (TFLOPS)
1,360.0 GFLOPS
8.192 TFLOPS
FP64 (TFLOPS)
—
512.0 GFLOPS (1:16)
FP16 (TFLOPS)
—
8.192 TFLOPS (1:1)
Power
TDP
108 W
350 W
TDP (W)
108
350
+224.1%
Suggested PSU
300 W
750 W
Power Connectors
1x 6-pin
3x 8-pin
Architecture
Architecture
TeraScale 2
GCN 3.0
GPU Name
Juniper
Capsaicin
Generation
Northern Islands
(HD 6700)
Radeon Pro GCN
Process Size
40 nm
28 nm
Transistors
1,040 million
8,900 million
Die Size
166 mm²
596 mm²
Foundry
TSMC
TSMC
Density
6.3M / mm²
14.9M / mm²
API Support
DirectX
11.2 (11_0)
12 (12_0)
OpenGL
4.4
4.6
Vulkan
—
1.2.170
OpenCL
1.2
2.1
Shader Model
5.0
6.5
Physical
Slot Width
Dual-slot
Dual-slot
Length
198 mm
7.8 inches
277 mm
10.9 inches
Height
—
111 mm
4.4 inches
Outputs
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
1x HDMI 1.4a3x DisplayPort 1.2
Bus Interface
PCIe 2.0 x16
PCIe 3.0 x16
Other
Launch Price
129 USD
1,499 USD
Production
End-of-life
End-of-life
Predecessor
Evergreen
FirePro GCN
Successor
Southern Islands
Radeon Pro Polaris