AMD Radeon 740M vs AMD Radeon HD 7970
GPU · Specs Compare
Graphics Card
Release Date
Dec 2023
Jan 2012
Generation
Navi III IGP
Southern Islands
Type
Integrated
Desktop
Bus Interface
PCIe 4.0 x8
PCIe 3.0 x16
Clock Speeds
Base Clock
800 MHz
—
Boost Clock
2800 MHz
—
Memory Clock
System Shared
1375 MHz
Memory
Memory Size
System Shared
3GB
Memory Type
System Shared
GDDR5
Memory Bus
System Shared
384bit
Bandwidth
System Dependent
264.0GB/s
Render Config
Compute Units
4
32
Shading Units
256
2048
TMUs
16
128
ROPs
8
32
RT Cores
4
—
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
2 MB
768 KB
Theoretical Performance
Pixel Rate
22.40 GPixel/s
29.60 GPixel/s
Texture Rate
44.80 GTexel/s
118.4 GTexel/s
FP16 (half)
5.734 TFLOPS
—
FP32 (float)
2.867 TFLOPS
3.789 TFLOPS
FP64 (double)
179.2 GFLOPS
947.2 GFLOPS
Graphics Processor
GPU Name
Hawx Point
Tahiti
Architecture
RDNA 3.0
GCN 1.0
Foundry
TSMC
TSMC
Process Size
4 nm
28 nm
Transistors
25.39 billion
4.313 billion
Die Size
178 mm²
352 mm²
GPU Variant
—
Tahiti XT(215-0821060)
Board Design
TDP
15W
250W
Outputs
Portable Device Dependent
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors
None
1x 6-pin + 1x 8-pin
Suggested PSU
—
600 W
Graphics Features
DirectX
12 Ultimate (12_2)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
2.1
2.1 (1.2)
Vulkan
1.3
1.2.170
Shader Model
6.8
6.5 (5.1)
Benchmark
3DMark Time Spy
—
2,310
3DMark Time Spy Extreme
—
1,209
▲ Specs Compare
Data sourced from official specifications and benchmark tests.