AMD Radeon HD 7990 vs AMD Radeon R7 250E

VS

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7990 and 1024MB VRAM Radeon R7 250E to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7990 's Advantages

Boost Clock1000MHz

More VRAM (3GB vs 1GB)

Larger VRAM bandwidth (288.0GB/s vs 72.00GB/s)

1536 additional rendering cores

AMD Radeon R7 250E 's Advantages

Released 8 months late

Lower TDP (55W vs 375W)

Score

Benchmark

FP32 (float)

Radeon HD 7990 +400%

4.096 TFLOPS

Radeon R7 250E

0.819 TFLOPS

Radeon HD 7990

VS

Radeon R7 250E

Graphics Card

Apr 2013

Release Date

Dec 2013

Southern Islands

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

950 MHz

Base Clock

-

1000 MHz

Boost Clock

-

1500 MHz

Memory Clock

1125 MHz

Memory

3GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

128bit

288.0GB/s

Bandwidth

72.00GB/s

Render Config

-

SM Count

-

32

Compute Units

8

2048

Shading Units

512

128

TMUs

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

768 KB

L2 Cache

256 KB

Theoretical Performance

32.00 GPixel/s

Pixel Rate

12.80 GPixel/s

128.0 GTexel/s

Texture Rate

25.60 GTexel/s

-

FP16 (half)

-

4.096 TFLOPS

FP32 (float)

819.2 GFLOPS

1024 GFLOPS

FP64 (double)

51.20 GFLOPS

Graphics Processor

Malta

GPU Name

Cape Verde

Malta XT (215-0849026)

GPU Variant

Cape Verde PRO

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

4.313 billion

Transistors

1.5 billion

365 mm²

Die Size

123 mm²

Board Design

375W

TDP

55W

750 W

Suggested PSU

250 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

2x 8-pin

Power Connectors

None

Graphics Features

12 (11_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.2

OpenCL

1.2

Vulkan

1.2

-

CUDA

-

5.1

Shader Model

5.1

Related GPU Comparisons

1

NVIDIA GeForce RTX 4090 D vs AMD Radeon HD 7990

2

NVIDIA GeForce GT 640 OEM vs AMD Radeon HD 7990

3

AMD Radeon RX 5500 OEM vs AMD Radeon HD 7990

4

AMD Radeon RX 7900 XTX vs AMD Radeon HD 7990

5

NVIDIA GeForce GTX 1050 3 GB vs AMD Radeon HD 7990

6

NVIDIA P106 100 vs AMD Radeon HD 7990

7

AMD Radeon HD 7990 vs ATI Radeon X1600

8

AMD Radeon HD 7990 vs AMD Radeon RX 6700 XT

9

AMD Radeon HD 7990 vs NVIDIA GeForce GTS 240 OEM

10

AMD Radeon HD 7990 vs AMD Radeon RX 5600 XT

Related News

1

Apple's 2025 OS in Development: iOS 19 Codename 'Luck'

2

Apple's AI is Memory Hungry! The Entire iPhone 16 Lineup Comes with 8GB RAM

3

Noctua Announce NH-D15 G2 Air Cooler and NF-A14x25r G2 Fan

4

The P-Cores and E-Cores in Arrow Lake Will Be Interleaved, Reducing Core Communication Latency and Improving Heat Dissipation

5

Changes in Intel Arrow Lake P/E Core Layout: Two Major Benefits

6

Time to Step Up, AMD and Intel! Nvidia Faces Antitrust Lawsuits in France, US, and EU

7

Intel Arrow Lake-S Features Dual Direct M.2 Slots: One PCIe 5.0 x4 and One PCIe 4.0 x4

8

AMD Ryzen 9000X3D Series to Feature Fully Unlocked Overclocking; DDR5-6400: The 'Sweet Spot' for Zen 5 Memory Speeds

9

Intel Z890 Motherboard Specs Leaked: Farewell to DDR4 Memory

10

AMD Ryzen 9000 Series Now Available for Pre-order in Europe: 9950X Priced at €660, Shipping by August 2