AMD Radeon 780M vs AMD Radeon HD 6990
GPU · Specs Compare
Graphics Card
Release Date
Jan 2023
Mar 2011
Generation
Navi III IGP
Northern Islands
Type
Integrated
Desktop
Bus Interface
PCIe 4.0 x8
PCIe 2.0 x16
Clock Speeds
Base Clock
800 MHz
—
Boost Clock
2700 MHz
—
Memory Clock
System Shared
1250 MHz
Memory
Memory Size
System Shared
2GB
Memory Type
System Shared
GDDR5
Memory Bus
System Shared
256bit
Bandwidth
System Dependent
160.0GB/s
Render Config
Compute Units
12
24
Shading Units
768
1536
TMUs
48
96
ROPs
32
32
RT Cores
12
—
L1 Cache
128 KB per Array
8 KB (per CU)
L2 Cache
2 MB
512 KB
Theoretical Performance
Pixel Rate
86.40 GPixel/s
26.56 GPixel/s
Texture Rate
129.6 GTexel/s
79.68 GTexel/s
FP16 (half)
16.59 TFLOPS
—
FP32 (float)
8.294 TFLOPS
2.550 TFLOPS
FP64 (double)
518.4 GFLOPS
637.4 GFLOPS
Graphics Processor
GPU Name
Phoenix
Antilles
Architecture
RDNA 3.0
TeraScale 3
Foundry
TSMC
TSMC
Process Size
4 nm
40 nm
Transistors
25.39 billion
2.64 billion
Die Size
178 mm²
389 mm²
GPU Variant
—
Antilles XT(215-0807027)
Board Design
TDP
15W
375W
Outputs
Portable Device Dependent
1x DVI4x mini-DisplayPort 1.2
Power Connectors
None
2x 8-pin
Suggested PSU
—
750 W
Graphics Features
DirectX
12 Ultimate (12_2)
11.2 (11_0)
OpenGL
4.6
4.4
OpenCL
2.1
1.2
Vulkan
1.3
N/A
Shader Model
6.7
5.0
Benchmark
3DMark Time Spy
2,775
—
3DMark Time Spy Extreme
1,324
—
3DMark Speed Way
458
—
Blender
350
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.