GPU Comparison
RADEON
AMD Radeon 680M
CORE STATE
Rembrandt+
VRAM
System Shared
CLOCK SPEED
2200 MHz
TDP
50 W
BUS WIDTH
System Shared
ARCHITECTURE
RDNA 2.0
PROCESS
6 nm
LAUNCH DATE
2023
VS
RADEON
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
PERFORMANCE BENCHMARKS
3dmark_3dmark_steel_nomad_dx12
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
680M
HD 6770
Core Specs
Shading Units
768
800
+4.2%
Shaders
768
800
+4.2%
TMUs
48
40
-16.7%
ROPs
32
16
-50.0%
Compute Units
12
10
-16.7%
Clocks
Base Clock
2000 MHz
—
Boost Clock
2200 MHz
—
GPU Clock
—
850 MHz
Memory Clock
System Shared
1200 MHz
4.8 Gbps effective
Memory
Memory Size
System Shared
1024 MB
VRAM (MB)
—
1,024
Memory Type
System Shared
GDDR5
Memory Bus
System Shared
128 bit
Bandwidth
System Dependent
76.80 GB/s
Cache
L1 Cache
128 KB per Array
8 KB (per CU)
L2 Cache
2 MB
256 KB
L0 Cache
32 KB per WGP
—
Performance
Pixel Rate
70.40 GPixel/s
13.60 GPixel/s
Texture Rate
105.6 GTexel/s
34.00 GTexel/s
FP32 (TFLOPS)
3.379 TFLOPS
1,360.0 GFLOPS
FP64 (TFLOPS)
211.2 GFLOPS (1:16)
—
FP16 (TFLOPS)
6.758 TFLOPS (2:1)
—
AI/RT
RT Cores
12
—
Power
TDP
50 W
108 W
TDP (W)
50
108
+116.0%
Suggested PSU
—
300 W
Power Connectors
None
1x 6-pin
Architecture
Architecture
RDNA 2.0
TeraScale 2
GPU Name
Rembrandt+
Juniper
Generation
Navi II IGP
(Rembrandt Mobile)
Northern Islands
(HD 6700)
Process Size
6 nm
40 nm
Transistors
13,100 million
1,040 million
Die Size
208 mm²
166 mm²
Foundry
TSMC
TSMC
Density
63.0M / mm²
6.3M / mm²
API Support
DirectX
12 Ultimate (12_2)
11.2 (11_0)
OpenGL
4.6
4.4
Vulkan
1.4
—
OpenCL
2.0
1.2
Shader Model
6.8
5.0
Physical
Slot Width
IGP
Dual-slot
Length
—
198 mm
7.8 inches
Outputs
Portable Device Dependent
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
Bus Interface
PCIe 4.0 x8
PCIe 2.0 x16
Other
Launch Price
—
129 USD
Production
Active
End-of-life
Predecessor
Vega II IGP
Evergreen
Successor
Navi III IGP
Southern Islands